LAZBJ-10 high/medium-voltage wall bushing is a current measurement and protection device specially designed for use in power systems, especially in high-voltage and medium-voltage environments. It uses advanced manufacturing technology and high-quality insulating materials, such as epoxy resin, to ensure stable and reliable operation under high voltage and high current conditions. It is usually installed in the wall-penetrating position of power equipment to transfer high current from the primary side to the secondary side for use by measuring instruments and protection devices.
Characteristic of structure
LAZBJ-10type current transformer is epoxy resin castedwith totally-enclosed insulating structure. The high-voltage coilsis epoxy resin casted with mould positioning. The core adopshigh-quality silicon-steel sheet and rolled into the ring type. Thesecondary connection terminals on the side face. With 1S1.1S2and 2S1 2S2 symbol. lt is for measuring and protecting.

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Technical data |
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Rated insulation level |
12/42/75kV |
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Power factor of load |
COSФ =0.8(lagging) |
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Rated secondary current |
5A or 1A |
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Rated frequency |
50 or 60Hz |
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Anti-Pollution grade |
Class ll |
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Ambient temperature |
-5 ℃-40℃,daily average temperature not more than 30℃ |
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Altitude |
≤1000m |
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Standard |
GB 1208-2006 |
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Type |
Rated primary current |
Accuracy class combination |
Accuracy class and rated output |
Accuracy Coefficient |
1s thermal current(KA) |
Rated dynamic current |
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0.2Class |
0.5Class |
10PClass |
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LAZBJ-10 |
20 |
0.5/10P or 0.2/10P |
10 |
10 |
15 |
10 |
90 |
200 |
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30 |
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40 |
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50 |
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75 |
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100 |
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150 |
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200 |
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300 |
30 |
54 |
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400 |
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500 |
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600 |
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800 |
40 |
72 |
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1000 |
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